How Many People Are Named Erin?
people named Erin are alive in the United States today (estimate)
About 1 in 1,092 people in the US has this name
Based on 326,053 babies named Erin in Social Security records from 1888 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
⭐ Uncommon
Peak Year
15,050 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Anglicized form of EIREANN. It has been used as a given name since the middle of the 20th century.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Erin in English. Counting Erin and these spellings together, about 320,198 people alive in the US have the name.
⚧ Gender Distribution
Of the babies given the name Erin, 97.2% were girls and 2.8% were boys. The share has stayed close to this since the 1910s: 94.6% of the babies were girls then and 93.3% in the 2020s.
👥 Age Distribution
The average person named Erin alive today is about 38 years old, and 74% are between 30 and 59. Half of them were between 31 and 46 in 2025.
📈 Popularity Over Time
Erin first appears in the records in 1888 and was given most often in 1983, to 15,050 babies. In 2025, 349 babies got the name.
Babies given the name each year, 1888 to 2025
🏆 Rank History
Erin never made the top 10 girls' names. Its best rank was #18, in 1983, and it was in the top 100 for 34 years, 1971 to 2004. In 2025 it ranked #833.
| Girls | |
|---|---|
| Rank in 2025 | #833 |
| Best rank | #18 (1983) |
| Years in the top 100 | 34 (1971 to 2004) |
| Rank in its biggest decade | #28 in the 1980s |
📍 State-Wise Distribution
People named Erin alive today, by the state where they were born (estimate; state records start in 1910).
More people named Erin were born in California than in any other state: about 31,286 of those alive today. Compared with the national rate in the same years, Erin was given 1.9 times as often in Vermont, 1.8 times in Delaware and 1.8 times in Rhode Island.
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